<script setup>
  import { ref, watch } from 'vue'
  const dialogVisible = ref(false)
  import { artAddChannelsService, artEditChannelsService } from '@/api/article.js'
  // 组件对外暴露一个方法open，基于open传来的参数，区分添加还是编辑
  // open({})=>表单无需渲染，说明是添加
  // open({id，cate_name,...}) =>表单需要渲染，说明是编辑
  // open调用后，可以打开弹窗
  const formModel = ref({
    cate_name: '',
    cate_alias: ''
  })
  const formRef = ref()
  const rules = {
    cate_name: [{ required: true, message: '请输入分类名称', trigger: 'blur' }, { pattern: /^\S{1,10}$/, message: '分类名称必须是1-10位的非空字符', trigger: 'blur' }],
    cate_alias: [{ required: true, message: '请输入分类别名', trigger: 'blur' }, { pattern: /^[a-zA-Z0-9]{1,15}$/, message: '分类别名必须是1-15位的字母或者数字', trigger: 'blur' }]
  }
  const open = (row) => {
    dialogVisible.value = true
    formModel.value = { ...row } // 添加->重置了表单内容，编辑->存储了需要回写的数据
  }
  // 子传父
  const emit = defineEmits(['success'])
  const onSubmit = async () => {
    await formRef.value.validate()
    const isEdit = formModel.value.id ? true : false
    if (isEdit) {
      const res = await artEditChannelsService(formModel.value)
      ElMessage.success('编辑成功')
    } else {
      const res = await artAddChannelsService(formModel.value)
      ElMessage.success('添加成功')
    }
    dialogVisible.value = false
    emit('success')
  }
  const quxiao = async()=>{
   await formRef.value.clearValidate()
    dialogVisible.value = false
  }
  // watch(dialogVisible, async() => {
  //  await formRef.clearValidate()
  // })
  // 向外暴露方法
  defineExpose({
    open
  })
</script>
<template>
  <el-dialog v-model="dialogVisible" :title="formModel.id ? '编辑分类':'添加分类'" width="30%">
    <el-form :model="formModel" :rules="rules" ref="formRef" label-width="100px" style="padding-right: 30%;">
      <el-form-item label="分类名称" prop="cate_name">
        <el-input v-model="formModel.cate_name" placeholder="请输入分类名称"></el-input>
      </el-form-item>
      <el-form-item label="分类别名" prop="cate_alias">
        <el-input v-model="formModel.cate_alias" placeholder="请输入分类别名"></el-input>
      </el-form-item>
    </el-form>
    <template #footer>
      <span class="dialog-footer">
        <el-button @click="quxiao">取消</el-button>
        <el-button type="primary" @click="onSubmit">
          确认
        </el-button>
      </span>
    </template>
  </el-dialog>
</template>